Fig. 3

Morphology variation of lesions in ex vivo bovine liver. The first row was experimented under the condition of atmospheric pressure, and the second row was experimented under the condition of sub-atmospheric pressure. The column represented the HIFU exposure conducted under the DOC of 2.0 mg/L, 1.5 mg/L and 1.0 mg/L. Lesion appeared under all conditions except at sub-atmospheric pressure with the DOC of 1.0 mg/L